Home / 442,904,709.60-664,357,064.40-417,395,541.60

Finding the Fourth Proportional to 442,904,709.60, 664,357,064.40 and 417,395,541.60

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Solution

The fourth proportional to 442,904,709.60, 664,357,064.40 and 417,395,541.60 is: 626,093,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,904,709.60 : 664,357,064.40 = 417,395,541.60 : x
  2. Step 2: Convert to fraction form
    442,904,709.60/664,357,064.40 = 417,395,541.60/x
  3. Step 3: Cross multiply
    442,904,709.60x = 664,357,064.40 × 417,395,541.60
  4. Step 4: Simplify right side
    442,904,709.60x = 277,299,676,711,024,096
  5. Step 5: Solve for x
    x = 277,299,676,711,024,096/442,904,709.60
  6. Step 6: Final answer
    x = 626,093,312.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.